This is a note to let you know that I've just added the patch titled USB: serial: option: add Quectel EC200T module support to the 4.19-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: usb-serial-option-add-quectel-ec200t-module-support.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From a46b973bced1ba57420752bf38426acd9f6cbfa6 Mon Sep 17 00:00:00 2001 From: Ziyi Cao <kernel@xxxxxxxx> Date: Tue, 20 Oct 2020 00:08:06 +0800 Subject: USB: serial: option: add Quectel EC200T module support From: Ziyi Cao <kernel@xxxxxxxx> commit a46b973bced1ba57420752bf38426acd9f6cbfa6 upstream. Add usb product id of the Quectel EC200T module. Signed-off-by: Ziyi Cao <kernel@xxxxxxxx> Link: https://lore.kernel.org/r/17f8a2a3-ce0f-4be7-8544-8fdf286907d0@xxxxxxxxxxxxxxxx Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Johan Hovold <johan@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/usb/serial/option.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -250,6 +250,7 @@ static void option_instat_callback(struc #define QUECTEL_PRODUCT_EP06 0x0306 #define QUECTEL_PRODUCT_EM12 0x0512 #define QUECTEL_PRODUCT_RM500Q 0x0800 +#define QUECTEL_PRODUCT_EC200T 0x6026 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1117,6 +1118,7 @@ static const struct usb_device_id option { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0, 0) }, { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500Q, 0xff, 0xff, 0x10), .driver_info = ZLP }, + { USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, Patches currently in stable-queue which might be from kernel@xxxxxxxx are queue-4.19/usb-serial-option-add-quectel-ec200t-module-support.patch